Packaging toric articles



` 1,640,022 Aug- 23' 1927' E. H. ANGIER PACKAGlNG TORIC ARTICLES Original Filed Maron 28. 1921 AID- Patented ug. 23, i927.

PATENT OFFICE.

PACKAGING TOEIC ARTICLES.

vOriginal application filed March 28V, 1921, Serial N0..456,407. Divided and this application `filed September 18, 1926.

This invention relates to packages and designs to provide a method for fitting an article with .a covering of wrapping material closely conforming thereto. It is applicable to those articles having alonger outer dimension and ashorter inner dimension, which may be referred to as toric, that word denoting a solid which may be considered -as produced by the revolution of a figure about an axis exterior thereto. Examples of such articles are coils of wire and the shoes of vehicle tires, in which case the revolution is a complete one and the article is annular.

My invention may be understood'by the following description of an embodlment thereof taken inconnection with the accompanying drawings wherein Fi 1 is a side elevation .of a pneumatic vehic e tire enclosed in a wrapping illustrative of my invention.

Fig. 2 is a diagrammatic perspective view of a portion of the wrapped tire with a part `broken away.

Fig. 3 is a plan view of a portion of the wrapping material preferably used; and

Fig. 4 is a plan view of a portion of wrapping material which may be employed instead of that illustrated in Fig. 3.

As. I anticipate a major field of usefulness for myinvention in packa ing the shoes of pneumatic vehicle4 tires an have illustrated such a shoe or tire in the drawing, I shall for convenience in the following description refer specifically to a tire as the article enclosed.

In wrapping a tire or other ring-shaped body diculties are encountered in making a smooth fitting wrapping because distances 40 measured alongvarious parts or the tire are markedly different as contrasted with an article of block-like form, the surface of which consists'of a number of planes which canbe fitted witha sheet of wrapping material such as paper by a simple folding lor bending lof the same. In accordance with my present invention, therefore, I utilize wrapping material capaili of expansion loca ized areas or zones thereof -to permit it to be shaped to the tire. Referring to Fig. 3, I have there shawn a material suitable for the purpose consisting of one or 'more thicknesses of heavy paper suitably prepared to provide for local extensibility. This is 5a vmoet conveniently eected through a crap- Serial N o. 136,338.

ing process providing irregular resilient embossments 5 throughout the area of the paper. The various gatherings or crapes may be stretched out, moreover, against their natural resiliency without substantially af-V fecting' 'the crapings or gatherings of adjacent areas and the Wra ping material thus changed from its normally flat shape.

In accordance with my invention I utilize b ands or strips of material' such as described, preferably provided with transverse craping lwhich extends throughout the entire area thereof as indicated in Fig. 3, the entire strip being expansible and no part thereof being restrained either by itself unprovided with stretchable embossments, or because it is restrained by any added element. This is. essentialto permitv articles of varying form and size to be successfully wrapped, Such strips may be applied circumferentially of the tire, or similar ringshaped article, and the crapings differen. tially expanded in different longitudinal zones to fit the material smoothly and closely to the cross sectional contour of the article.`r

Referring to Figs. 1 and 2, in accordance with the preferred formof the invention herein illustrated and specifically claimed, I

provide a strip 9 of craped or similarly pre.

pared material which has a considerable Yrange of extensibility andis of sufficient width to encircle the cross section of the tire and present its edges in opposition to be connected thereabout. Such a band may be wrapped circumferentially about the treadv or outer circumference of the tire, preferably being located substantially centrally therealong, the central portion of the strip 9 is expanded relatively to the side edges, and the band asa whole assumes a cup-,like or channel form which ermitsit to fit over and conform to the dou le curvature of the tire and closely fitv the same although the circumference thereof measured along the tread at a in Fig. 2 is markedly greater than the ycircumference measured along the line b er the line c. The eX an- -sion is a marfimum along the tread ot the tire at 'the line a, less at the line b, and still less at the line c, the extension being .sui cient in each longitudinal zone to permit the wrapping to fit the enclosed article. The strip extends over the sides of the tire to the lnner circumference thereof at the beads, and edges may be folded inwardly across the beads and there connected. In the present instance I have shown one edge of the strip as overlapping on the other at l1 and secured thereto by adhesive. The strip 9 is preferably made of such length as to coinpletely encircle the tire and the ends of the strip may be joined together as indicated at 13 in Fig. 1.

In F ig. 2 I have attempted to indicate the diiferential expansion of the strip, but 1t will be understood that the disclosure is diagrammatic and in particular that the form and size of the embossments 5 are conventionalized and exaggerated.

I wish to emphasize that the wrapping strip 9 is of substantially uniform character throughout and is stretchable or resilient throughout its area.. On a large tire, for example, the difference in length between the circuniferences a and Z), referring to Fig. 2, is greater than the dilference between the homologous circumferences in a smaller tire and in articles of varying size and shape the conditions met with are constantly varying. rI`hus if the wrapping material were fixed in some dimension, it is possible that it would be adapted for a given .purpose if the expansibility of the remaining portion were exactly determined but if the saine material 'were then applied to an article of different size or shape 1t could not be made to conform thereto. Within a wide ran e determined by the i initial expansibility o the material unrestrained gatherings throughout vthe area thereof permit the same strip to be adapted to articles of dierent size or different shape as each portion mayexpand differentially in order to adapt the material to the article which is to be enclosed. Thus if the craping process were carried on so that the paper could be stretched out to twice its ength, and considering strips such as 9 in Fig. 2, provision would be made for covering an article in which the circumference at the tread is twice the circumference at the beads and this would be effected Without stretching the edge of the strip. For this expension and for any intermediate case in which the center line of the paper would be less extended would correspond certain definite curvatures of the strip. Since the strip,

however, is expansible throughout its area,`

the edges also could be expanded to permit the strip to be fitted to an article having the same maximum circumference but a different curvature.

The material employed may be so craped or athered as to be expansible laterally as wel as in a direction circumferentially of the tire. Such material is conventionally illustrated in Fig. t and may have crapings 5 and gatherings herein shown as corrugations 5B, extending at right angles thereto.

In my copending application Serial No. 456407, filed March 28, 1921, of which this application is a division, I have illustrated and specifically claim a toric article wrapped with two strips circumferentially applied, neither strip enclosing the whole or substantially the whole cross section of the tire. I u the present application I present generic claims and claims directed specifically to the form herein illustrated wherein a single strip is applied about the exterior circumference of the article, the tread of the tire, and encircles thecross section thereof.

Having thus described the form of myxinvention shown by way of example in the accompanying drawings, what I claim as new and desire to securepby Letters Patent I shall express in the following claims:

l. The method of packaging toric articles which comprises applying a strip of wrapping material capable of substantially unrestrained local longitudinal .expansion throughout its width along a circumference of the article, differentially expanding the strip to fit it to and around the article to cover at least a large portion of its cross sectional perimeter and securing it in position thereabout. v

2; The method of packaging toric articles which comprises applying around the outer circumference of the article a strip of Wrapping material capable of lsubstantially unrestrained local expansion throughout its Width and of a width to extend overv the sides of the article toward the inner circumference to encircle the greater portion .of its cross section, differentially expanding the strip from a maximum at sald outer circumference whereby to lit it yto. and around the article and ysecuring the same in such position with the edges of the strip opposed adjacent the inner circumference.

8. The method of packaging toric articles which comprises applying along a circumference of the article a strip of Wrapping material provided throughout its area with resilient embossments freely extensible' 1ongitudinally thereof,differentially expandin embossments to t the strip to and arounV the article to cover atleast a large portion l of its cross-sectional perimeter and securingv it in positionthereabout.

4. A package comprising a ring-shaped article having a Wrapping completely enclosing the same comprising a strip of material freely expansible leigthwise throughL out its width and of a wi th to encircle at least the major portion of the cross section of the article, said strip extending between its edges alon the outer circumference of the article an. expanded in maximum degrec therealon and differentiallvexpanded to fit the artic e at either side of said outer circumference, said edges being connected in a circumferentially extending joint remote from said outer circumference.

5. A package comprising a ring-shaped article having a wrapping completelyv en-A closing the same comprlsing a strip of material ,freely expansible'lengthwise throughout its Width and of a Width to enclose the cross section of the article and present its `edges in opposition for connection in encircling relation thereabout, said strip being applied circumferentially about the outer circumference of the article and expanded along said circumference and differentially at either side thereof to fit the same, said edges being connected along the inner circumfer- 6. A package comprising a ringshaped article having a wrapping completely enclosing the same of material freely expansible lengthwise throughout its Width applied circumferentially to the article and differentially expanded to i-t the same and comprising a single piece of a size to coverv at least a large portion of the exterior of the article.

7. A sealed shaped article aving a complete-covering ackage comprising a, ring-,

of wra ping material comprising a single piece a apted to cover at least a large portion of the article and all portions of which possess the characteristic -of extensibility in a circumferential direction.

8. A sealed package comprising a ringshaped article having a complete coveringl ofwrapping material, all portions of which possess the characteristic of extensibility'in a circumferential and in a lateral direction. A

9. A package comprising a distortable toric article and a Wrapping enclosing the -same comprising circumferentially extend- :air

ing material comprising a single pieceadapte ed to cover at least a large portion of the .EDWARD H. ANGIER. 

